docs: def get_environment_details(zone, environment):
      """ Issues a request to Composer to get the environment details.
  
      Args:
        zone: GCP zone of the composer environment
        environment: name of the Composer environment
      Returns:
        A parsed result object.
      Raises:
        Exception if there is an error performing the operation.
      """
      default_context = google.datalab.Context.default()
      url = (Api._ENDPOINT + (Api._ENVIRONMENTS_PATH_FORMAT % (default_context.project_id, zone,
                                                               environment)))
  
      return google.datalab.utils.Http.request(url, credentials=default_context.credentials)